:))))))

Bài 11: Viết câu mệnh lệnh dựa vào động từ cho sẵn:

1. ………Go.……….upstairs. (to go)

2. ……Don't swim….……….in this lake. (not/to swim)

3. ……Do….……….your homework. (to do)

4. ……Don't play….……….football in the yard. (not/to play)

5. ……Brush….……….your teeth. (to brush)

6. ……Don't talk….……….during the lesson. (not/to talk)

7. ………Don't feed.……….the animals in the zoo. (not/to feed)

8. ………Read.……….the instructions. (to read)

9. ………Don't be.……….late for school. (not/to be)

10. ………Switch off.……….your mobiles. (to switch off)

11. …Ask…….……….our brother. (to ask)

12. ……Don't use….……….a pencil. (not/to use)

13. ……Hurry….……….up. (to hurry)

14. ………Be.……….quiet. (to be)

15. ………Don't call.……….the police. (not/to call)

16. ……….Make……….your beds. (to make)

17. Please ……….mind………. (to mind)

18. ………Don't tell.……….dad about my accident. (not/to tell)

19. Please ………Don't smoke…….in this room. (not/ to smoke)

20. Let’s……help….……….her mother in the kitchen. (to help)

Giúp em vs ạ!

Thực hiện các phép tính sau:

a,(\(\dfrac{x}{x+1}\)+\(\dfrac{x-1}{x}\)):(\(\dfrac{x}{x+1}\)-\(\dfrac{x-1}{x}\))

b,(1+\(\dfrac{x}{y}\)+\(\dfrac{x^2}{y^2}\)).(1-\(\dfrac{x}{y}\)).\(\dfrac{y^2}{x^3-y^3}\)

Giúp em với ạ. Bài 34 và 35 ạ

11-B

12-C

13-A

14-C

15-C

 Chân người: bắp chân, mắt cá, đầu gối

1. C

2. A

3. A

4. B

5. D